Signs

Signs

Road Sign

Signs are important fixtures that help advance roadway safety every day throughout the United States. Today, a variety of symbols, shapes and colors are used to convey messages to users on and around the roadways. Signs types include traffic, roadway, warning, railroad, guide, recreational, temporary, regulatory, pedestrian and bicycle.


There are many benefits to using symbols, which include immediate communication with all roadway users and their ability to break language barriers. Colors can communicate approaching scenarios such as using orange to indicate an upcoming work zone or red for an upcoming stop or yielding point. A number of shapes are also used to indicate oncoming situations or to provide roadway users with information such as octagons for stop and long horizontal, rectangular signs displaying guidance information.


Today, traffic signs are being looped into the world of autonomous driving technology. Research efforts are being made to equip traffic signs with technology, like embedded machine-readable codes, to allow them to communicate with Connected Automated Vehicles (CAVs) and other mapping devices.


ATSSA has dedicated group of members on its Sign Committee (member login required), who work to:

  • Enhance members’ businesses by increasing their understanding of traffic control devices on private property,
  • Influence the present and future direction of Minimum Retroreflectivity Standards,
  • Inform and educate roadway safety industry members on sign industry-related matters,
  • Provide knowledge and education about signing retroreflectivity,
  • Work to have dedicated funds identified and available for sign management systems and the implementation of upgraded programs to conform with MRS,
  • Monitor and influence the development of a new MUTCD chapter on changeable message signs, and
  • Improve upon and solicit greater committee member participation in Sign Committee meetings and on task forces, including recruitment of new committee members.

Resources

Highway automation: How ATSSA members play an important role

CAVs will need to better communicate with roadway devices and infrastructure

Connected and Automated Vehicles (CAVs) rely heavily on ATSSA member products such as pavement markings, signs, and traffic control devices. These products will be an essential factor in the advancement of CAVs and critical in moving toward zero deaths on our roadways.

According to the Federal Highway Administration (FHWA), highway automation is a blossoming frontier for many transportation departments that will affect the roadway devices and infrastructure utilized in localities.

“Automated vehicles have the potential to transform the nation's roadways significantly,” states the FHWA website. “They offer potential safety benefits but also introduce uncertainty for the agencies responsible for the planning, design, construction, operation, and maintenance of the roadway infrastructure.”

Many initiatives are being carried out to strengthen the communication between
CAVs, traffic control devices, and roadway infrastructure. One example is the FHWA’s National Dialogue on Highway Automation, in which ATSSA has participated.

“Participating in the National Dialogue on Highway Automation was a prime example of the direction members of the transportation industry
need to focus on,” said ATSSA Director of New Programs Brian Watson. “Our members play an important role in the advancement to vehicle automation. It’s important to carry on these discussions with auto manufacturers, public agencies, and the transportation community to discuss how we can produce and apply traffic control devices and maintain roadway infrastructure to optimize CAV performance.”

Additionally, ATSSA has been collaborating with the Automotive Safety Council (ASC). Doug Campbell, the council’s president, said that collaborations between members of the automotive industry and the roadway safety infrastructure industry are vital to the progression of highway automation.\

“For the first time in history, we have the roadway infrastructure and vehicle safety sides working together to come up with solutions to improve safety for motorists and to enable CAVs in the future,” Campbell said. “It's been a great learning experience for both groups to come together and understand how each other's products interface and discuss what we can do together going forward.”

ASC has attended three different ATSSA meetings, and the association has been to two of the ASC’s council meetings. Campbell said these initial discussions have been a positive start to further technologies and policies that will further enable highway automation.

“Teaming up together to come up with improved traffic control devices and roadway infrastructure that is uniform across the 50 states will allow the vehicles to use their sensors better—we think is a significant step forward,” Campbell said.

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